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openssh-portable
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- Detect OpenSSL seperatly from RSA 

- Better test for RSA (more compatible with RSAref). Based on work by
   Ed Eden <ede370@stl.rural.usda.gov>
This commit is contained in:
Damien Miller 2000-05-17 23:29:18 +10:00
parent c4be7ce669
commit 3b512e18dc
3 changed files with 64 additions and 29 deletions
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1
CREDITS
View File

@ -20,6 +20,7 @@ David Agraz <dagraz@jahoopa.com> - Build fixes
David Del Piero <David.DelPiero@qed.qld.gov.au> - bug fixes
David Hesprich <darkgrue@gue-tech.org> - Configure fixes
David Rankin <drankin@bohemians.lexington.ky.us> - libwrap, AIX, NetBSD fixes
Ed Eden <ede370@stl.rural.usda.gov> - configure fixes
Gary E. Miller <gem@rellim.com> - SCO support
Ged Lodder <lodder@yacc.com.au> - HPUX fixes and enhancements
Gert Doering <gd@hilb1.medat.de> - bug and portability fixes

3
ChangeLog
View File

@ -32,6 +32,9 @@
- Checking for ssize_t and memmove. Based on patch from SAKAI Kiyotaka
<ksakai@kso.netwk.ntt-at.co.jp>
- RSAless operation patch from kevin_oconnor@standardandpoors.com
- Detect OpenSSL seperatly from RSA
- Better test for RSA (more compatible with RSAref). Based on work by
Ed Eden <ede370@stl.rural.usda.gov>
20000513
- Fix for non-recognised DSA keys from Arkadiusz Miskiewicz

89
configure.in
View File

@ -212,37 +212,27 @@ AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
LDFLAGS="$saved_LDFLAGS"
fi
for WANTS_RSAREF in "" 1 ; do
if test -z "$WANTS_RSAREF" ; then
LIBS="$saved_LIBS -lcrypto"
else
LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
fi
LIBS="$saved_LIBS -lcrypto"
AC_TRY_RUN(
[
# Basic test to check for compatible version and correct linking
# *does not* test for RSA - that comes later.
AC_TRY_RUN(
[
#include <string.h>
#include <openssl/rand.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/sha.h>
int main(void)
{
RSA *key; char a[2048],b[2048];;
memset(a, 0, sizeof(a));memset(b, 0, sizeof(b));
char a[2048];
memset(a, 0, sizeof(a));
RAND_add(a, sizeof(a), sizeof(a));
key=RSA_generate_key(32,3,NULL,NULL);
if (key==NULL) return(1);
return(-1==RSA_private_decrypt(RSA_size(key),a,b,key,RSA_NO_PADDING));
return(RAND_status() <= 0);
}
],
[
found_crypto=1
break;
], []
)
done
],
[
found_crypto=1
break;
], []
)
if test ! -z "$found_crypto" ; then
break;
@ -272,12 +262,53 @@ if test ! -z "$ac_cv_openssldir" -a ! "x$ac_cv_openssldir" = "x(system)" ; then
blibpath="$blibpath:$ssldir:$ssldir/lib"
fi
fi
if test -z "$WANTS_RSAREF" ; then
LIBS="$saved_LIBS -lcrypto"
else
LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
fi
LIBS="$saved_LIBS -lcrypto"
# Now test RSA support
saved_LIBS="$LIBS"
AC_MSG_CHECKING([for RSA support])
for WANTS_RSAREF in "" 1 ; do
if test -z "$WANTS_RSAREF" ; then
LIBS="$saved_LIBS"
else
LIBS="$saved_LIBS -lRSAglue -lrsaref"
fi
AC_TRY_RUN([
#include <string.h>
#include <openssl/rand.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/sha.h>
int main(void)
{
int num; RSA *key; static unsigned char p_in[] = "blahblah";
unsigned char c[256], p[256];
memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
}
],
[
rsa_works=1
break;
], [])
done
if test ! -z "$no_rsa" ; then
AC_MSG_RESULT(disabled)
else
if test -z "$rsa_works" ; then
AC_MSG_WARN([*** No RSA support found *** ])
else
if test -z "$WANTS_RSAREF" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(using RSAref)
LIBS="$saved_LIBS -lcrypto -lRSAglue -lrsaref"
fi
fi
fi
# Checks for data types
AC_CHECK_SIZEOF(char, 1)